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A useful addition to, or modification of, a machine, manufacture, or composition. Kent.

sextant, etc. -- Index hand, the pointer or hand of a clock, watch, or other registering machine; a hand that points to something. -- Index of a logarithm (Math.), the integral part of the logarithm, and always one less than the number of integral figures in the given number. It is also called the characteristic. --…

ter gauge, as for a steam boiler; an apparatus or instrument for showing the working of a machine or moving part; as:

A machine built as an induction motor and driven above synchronous speed, thus acting as an alternating-current generator; - - called also asynchronous generator. Below synchronism the machine takes in electrical energy and acts as an induction motor; at synchronism the power component of current becomes zero and chang…

Operating by induction; as, an inductive electrical machine.

its, or conduct. The instruments or abettors in such infernal dealings. Addison. Infernal machine, a machine or apparatus maliciously designed to explode, and destroy life or property. -- Infernal stone (lapis infernalis), lunar caustic; formerly so called. The name was also applied to caustic potash.…

nius or ingenuity; of curious design, structure, or mechanism; as, an ingenious model, or machine; an ingenious scheme, contrivance, etc. Thus men go wrong with an ingenious skill. Cowper.

The whole of a system of machines, apparatus, and accessories, when set up and arranged for practical working, as in electric lighting, transmission of power, etc.

The act or state of interfering; as, the stoppage of a machine by the interference of some of its parts; a meddlesome interference in the business of others.

erplexed; complicated; difficult to understand, follow, arrange, or adjust; as, intricate machinery, labyrinths, accounts, plots, etc. His style was fit to convey the most intricate business to the understanding with the utmost clearness. Addison. The nature of man is intricate. Burke.

first time; -- applied commonly to the discovery of some serviceable mode, instrument, or machine. Thus first Necessity invented stools. Cowper.

provocation; annoyance; anger. The whole body of the arts and sciences composes one vast machinery for the irritation and development of the human intellect. De Quincey.

l to one another. This kind of projection is principally used in delineating buildings or machinery, in which the principal lines are parallel to three rectangular axes, and the principal planes are parallel to three rectangular planes passing through the three axes.

A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack; as:

gambling game in which smaller prizes are also awarded, especially such a prize on a slot machine.

A machine of great antiquity, used in Bengal for raising water to irrigate land. Knight.

r crushing anything between them, as, the jaws of a vise, or the jaws of a stone-crushing machine.

A machine for spinning a number of threads at once, -- used in factories.

A small machine or handy tool; esp.: (Metal Working)

A pendulum rolling machine for slicking or graining leather; same as Jack, 4 (i). Jigger mast. (Naut.) (a) The after mast of a four- masted vessel. (b) The small mast set at the stern of a yawlrigged boat.